On Feb 26, 2008, at 9:45 AM, Jones, Brian - McClatchy Interactive wrote:

> I'd be at least a little interested in potentially offering developers
> the chance to 'lock' their classes from monkey patches.

There are probably ways around this, but:

   >> Array.freeze
   => Array
   >> class Array
   >>   def to_csv; end
   >> end
   TypeError: can't modify frozen class
   	from (irb):7

James Edward Gray II